<template>
	<div class="homelist">
		<div>
			<header>
				<h2>{{proptitle}}</h2>
				<router-link to="/mobile/bookslist">更多></router-link>
			</header>
			<ul>
				<li v-for="(item,index) in FilterList" :key="item.id">
					<router-link :to="`/mobile/bookdetail/${item.id}`" :key="item.id"
						v-if="(item.hot!=0 && index<6) ||(item.price!=0&&index<9)">
						<img :src="`http://127.0.0.1/api/public/showimg/${item.picture}`" />
						<h3>{{item.name}}</h3>
						<span v-show="item.price !=0">￥{{item.price.toFixed(2)}}</span>
						<span v-show="item.hot !=0">热门:{{item.hot}}</span>
					</router-link>
				</li>
			</ul>
		</div>

	</div>
</template>

<script>
	export default {
		name: 'MobileHomeList',
		props: ['proplist', 'proptitle'],
		data() {
			return {
				list: []
			}
		},
		// 监听器
		watch: {
			// 如果数据时请求获取，基本上都需要监听props的数据，确保获取到数据后在进行循环等操作
			proplist() {
				this.list = this.proplist;
			}
		},
		computed: {
			FilterList() {
				// 现在是假数据，不存在时差，直接赋值，【后期发起请求时必须删除】
				this.list = this.proplist;
				console.log(this.proplist);
				// forEach():只做循环操作
				// map(()=>{return }):是一个具有返回值的元素
				let filters = this.list.map((item) => {
					console.log(item);
					return {
						id: item.id,
						name: item.memo ? item.memo : item.name,
						picture: item.picture ? item.picture : item.pic,
						price: !item.price ? 0 : item.price,
						hot: item.hot ? item.hot : 0
					}
				});
				console.log(filters);
				filters.sort((a1, a2) => {
					return this.proptitle == '热门推荐' ? a2.hot - a1.hot : this.proptitle == '新书上市' ? a2.id - a1.id :
						a1.id - a2.id;
				})
				return filters;
			}
		}
	}
</script>
<style scoped>
	.homelist {
		width: 100%;
	}

	.homelist header {
		line-height: 2.5rem;
		display: flex;
		align-items: center;
		justify-content: space-between;
	}

	.homelist header h2 {
		color: #a0accb;
		font-size: 1rem;
		margin-left: 0.5rem;
	}

	.homelist header a {
		text-decoration: none;
		display: inline-block;
		width: 3rem;
		font-size: 0.8rem;
		color: #a0accb;
	}

	.homelist ul {
		width: 96%;
		margin: 0 auto 1.5rem;
		display: flex;
		align-items: center;
		justify-content: space-between;
		flex-wrap: wrap;
		/* 		border: #f7d7a5 5px solid;
		border-bottom: #f7d7a5 40px solid;
		background-color: #f7d7a5; */
	}

	.homelist ul li {
		width: 46%;
		overflow: hidden;
		margin-left: 0.6rem;
		margin-bottom: 0.5rem;
		position: relative;
		background-color: white;
		text-align: center;
	}

	.homelist ul li img {
		width: 80%;
		height: 10rem;
		margin-top: 1rem;

	}

	.homelist a {
		text-decoration: none;
	}

	.homelist ul li h3 {
		width: 100%;
		height: 2.5rem;
		line-height: 2.5rem;
		font-size: 0.8rem;
		/* position: absolute; */
		/* bottom: 0; */
		background-color: rgba(104, 111, 132, 1.0);
		/* padding: 0.8rem 0; */
		color: #ffffff;
		text-align: center;
		font-weight: normal;
		/* 中文强制不换行 */
		white-space: nowrap;
		overflow: hidden;
		text-overflow: ellipsis;

		/* 支持webkit内核的浏览器才能生效 */
		/* overflow: hidden;
		text-overflow: ellipsis;
		display: -webkit-box;
		-webkit-box-orient: vertical;
		-webkit-line-clamp: 2; */
	}

	.homelist ul li span {
		font-size: 0.7rem;
		background-color: rgba(0, 0, 0, 0.5);
		color: gold;
		position: absolute;
		top: 0;
		right: 0;
		padding: 0.4rem, 0.3rem;
		/* 单独设置某个角 为圆角 */
		border-radius: 0 0 0 0.6rem;
		height: 1.2rem;
		width: 3.2rem;
	}
</style>
